A5359712
2-Methyl-1-propanethiol , 98% , 513-44-0
Synonym(s):
Isobutyl mercaptan
CAS NO.：513-44-0
Empirical Formula: C4H10S
Molecular Weight: 90.19
MDL number: MFCD00004882
EINECS: 208-162-6
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -145°C |
| Boiling point: | 87-89 °C(lit.) |
| Density | 0.831 g/mL at 25 °C(lit.) |
| vapor density | 3.1 (vs air) |
| vapor pressure | 124 mm Hg ( 37.8 °C) |
| FEMA | 3874 | 2-METHYL-1-PROPANETHIOL |
| refractive index | n |
| Flash point: | 15 °F |
| solubility | H2O: slightly soluble |
| form | liquid |
| pka | 10.41±0.10(Predicted) |
| color | Colorless to Light yellow |
| Odor | at 0.10 % in propylene glycol. cooked vegetable mustard |
| Odor Type | sulfurous |
| biological source | synthetic |
| Odor Threshold | 0.0000068ppm |
| Water Solubility | H2O: slightly soluble alcohol: very soluble diethyl ether: very soluble |
| Merck | 14,5147 |
| JECFA Number | 512 |
| BRN | 1730890 |
| LogP | 2.18 |
| CAS DataBase Reference | 513-44-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Propanethiol, 2-methyl-(513-44-0) |
| EPA Substance Registry System | 1-Propanethiol, 2-methyl- (513-44-0) |
Description and Uses
Flammable, dangerous fire risk.
Safety
| Symbol(GHS) |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225-H315-H319-H335 |
| Precautionary statements | P210-P302+P352-P305+P351+P338 |
| Hazard Codes | F,Xi |
| Risk Statements | 11-36/37/38 |
| Safety Statements | 16-26-36 |
| RIDADR | UN 2347 3/PG 2 |
| WGK Germany | 3 |
| RTECS | TZ7630000 |
| F | 13 |
| HazardClass | 3.1 |
| PackingGroup | II |
| HS Code | 29309090 |
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) |
